I think It might've been last year but anti-cheat compatibility was huge. Still up to the studio to enable it but some games have.
Progress towards wayland is going steady which doesn't mean much to those that don't know much about Linux. But what that means is more modern features like VRR and HDR. Not completely here yet as far as I know but that wouldn't have happened on X11
Note exactly a huge milestone but you can't discredit the steady development of pipewire. Audio was annoying as fuck before it.
Dang, every image one ani.social isn't loading rn. Idk if it's the app or my instance